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Questions tagged [armor-class]

For questions about Armor Class (AC), the mechanical abstraction of how difficult it is to hit and cause damage to an opponent in D&D and related RPGs.

3 votes
2 answers
51k views

Do you get a proficiency bonus to AC?

Do you get a proficiency bonus to AC when wearing armor you are proficient with?
Mala's user avatar
  • 12.6k
25 votes
2 answers
49k views

In what situations would a target be denied a Dex bonus to AC?

I have an encounter coming up where my PCs will face a high level rogue. Naturally, I'd like to use his sneak attack ability, but I've never played a rogue before so I'm light on experience. From the ...
Craig's user avatar
  • 1,807
7 votes
1 answer
484 views

Does Armor have a base +1 AC if made for tiny creatures?

According to the Armor for Unusual Creatures table, tiny or smaller creatures receive half the AC from armor. So what happens to the armor bonus when the armor bonus is only +1? For example, Gnome ...
Novian's user avatar
  • 3,839
7 votes
2 answers
1k views

Armor as DR alternate rules: Do untyped AC bonuses apply to Defense or DR?

I'm starting a Pathfinder Campaign with the alternate rule for armor as damage reduction. I'm just wondering what gets changed to damage reduction and what stays defense. For example, a shield's AC ...
ITSHAIRTIME's user avatar
7 votes
2 answers
28k views

Armor's effect on skills

If I read this correctly then it means that the armor I choose will affect my Dex and Str based skills. Any armor heavier than leather, as well as any shield, hurts a character's ability to use ...
etank's user avatar
  • 917
3 votes
2 answers
3k views

Plate armor question

I was playing around with the Character Builder and noticed an oddity with my level 7 half-orc Knight: My character with no armor has a net AC of 16 [10 +3 (half level) +2 (heavy shield) +1 (dex)]. I ...
dpatchery's user avatar
  • 17.5k
21 votes
6 answers
46k views

How do you calculate THAC0?

We're playing AD&D 1st edition and we have been asked by the DM to calculate our THAC0s so as to speed things up. So, I get what THAC0 stands for (To Hit Armour Class 0) but it's not something I ...
Jon Hopkins's user avatar
  • 1,503
13 votes
2 answers
3k views

How does __(Dexterity) vs. AC work?

I'm working through the new Red Box, and have ended up with a character with the at-will Bump And Run power. The attack is listed as __ (Dexterity) vs. AC Is ...
mattdwen's user avatar
  • 345

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